package com.hbnu.test.www;

import java.util.Scanner;

public class test5 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int a = 0;
        a = scanner.nextInt();
        switch(a){
            case 3:
            case 4:
            case 5:
                System.out.print("春季");
                break;
            case 6:
            case 7:
            case 8:
                System.out.print("夏季");
                break;
            case 9:
            case 10:
            case 11:
                System.out.print("秋季");
                break;
            case 12:
            case 1:
            case 2:
                System.out.print("冬季");
                break;

        }
    }
}
